Slope Intercept Form from Graphs and Equations

What is the solution to the set of equations?
y = -x - 2
y = -5x + 2

•   (3, 1)

•   (1, -3)

•   (-1, -3)

•   (-3, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is the point (2, 3) a possible solution?  Explain.

• Yes.  The point is on the graphed line.

• No.  The point is NOT on the graphed line.

What is the slope and intercept of the linear model: y = -x

• m = 1    b = 0

• m = 0    b = -1 

• m = -1    b = 0

• m = 0    b = 1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which of these graphs represents the inequality?
y ≥ -1/5x - 1

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.HSA.REI.D.12

Refer to number 12 on your review for the scenario for this problem.
The inequalities are
y ≥ -.25x + 6 and y ≤ 2/3x
If x represents weeks, after how many weeks will their sales begin to overlap?

•   After 9 weeks

•   In less than 6 weeks

•   After 2 weeks

•   In less than 7 weeks

Write an equation in slope intercept form (from the table).

•   y = -3x

•   y = -8x

•   y = -4x + 4

•   y = -3x + 2

Write the equation of the line.

• y= -1x-3

• y= -3x-1

• y=-1/3x-1

• y= -3x-3

Which equation matches the graph? (Click me to see the image)

• y = 2x

• y = 1/4 x + 2

• y = 1x + 4

• y = -2x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation for the line in slope-intercept form.

• y= -1x+3

• y= 4x+3

• y=1/4x+3

• y= -4x+3

Which is the graph of y= -x + 2? 

• A

• B

• C

• D